CH-18 Reproduction Leave a Comment / By abdulslambsn@gmail.com / October 6, 2025 Welcome To Your Quiz "CH-18 Reproduction" Click on "Start Quiz" To Continue... 1. What is the advantage of sexual reproduction? Genetically varied individuals are born Chances of survival increases Chances of evolution increases All A,B and C None 2. A single mushroom may produce how many spores per minute at the peak of its reproduction? 500,000 50,000 80,000 200,000 None 3. Asexual reproduction differs from sexual reproduction in that it does not require: 1 parent 2 parent Spores Vegetative parts None 4. The mass of dividing undifferentiated cells of the cut end of the shoot is called: Callus Periblem Dermatogen Pericycle None 5. A type of sygnamy in which both fusing gametes are flagellated and same in the size are known as: Isogamy Ansogamy Oogamy All of the choices are correct None 6. In gymnosperms male gametophyte consists of: Archegonia Megaspore mother cell Pollen tube Ovule None 7. If someone gives you a plant and tells you that it is an angiosperm, you know that during its life cycle it will produce? Swimming sperm A prothallus Flowers Cones None 8. Which one of the following is the male reproductive part of a flower? Stamen Sepal Petal Pistils None 9. The stamens are leaves modified for the production of: Microspores Megaspores Ovules Seed None 10. The unisexual flowers are called: Staminate Carpellate Both A and B Monoecious None 11. In angiosperms, double fertilization produces two distinct portions of the seed. The endosperm portion's role is to: Develop into the embryo Nourish the embryo Develop into the mature sperm Serves as a reservoir for extra DNA None 12. Which part ultimately matures into a fruit? Integument Ovary Archegonium Ovule None 13. In planst, spores are formed by 1, whereas gametes are formed by 2: 1- meiosis, 2- mitosis 1-fission, 2-fusion 1- meiosis, 2-meiosis 1-mitosis, 2-mitosis None 14. It is defined as a cluster of flowers, arising from the main stem axis of penduncle: Inflorescence Phosphorescence Luminescence Senescence None 15. The type of recemose inflorescence with a short axis and multiple floral pedicels of equal length that appear to arise from a common point is called: Corymb Umbel Raceme Spike None 16. What is required? Water Suitable temperature Both A and B None of these None 17. Promotion flowering by cold treatment given to imbibed seeds or young plants is known as: Parthenocarpy Parthenogenesis Apomixis Vernalization None 18. Phytochrome exists in two forms i.e, P660 and: P307 P370 P703 P730 None 19. A form of asexual reproduction in which new individual grows out as a small out growth and eventually separates from parent body is called: Forming a spore Budding Regeneration Fission None 20. The technique of producing a genetically identical copy of an Organism by replacing the nucleus of an unfertilized with the nucleus of a body cell from the Organism is: Budding Cloning Parthenocarpy Fission None 21. The animals which lay eggs are called: Oviparous Viviparous Dioecious Neuter None 22. In mammalian mails, the reproductive and excretory system share the same: Ureter Vasdefrens Urinary bladder Urethra None 23. Human tests are packed with about how many seminiferous tubules which produce about how many millions sperms every day? 200,20 300,40 500,30 500,10 None 24. A human female has around how many oocytes in each of her ovary? 30,000 200,000 300,000 20,000 None 25. What event occurs in the menstrual cycle when the level of progesterone declines? Ovulation Beginning of menses Formation of corpus luteum Maturation of ovarian follicle None 26. Menopause in females comes at the age of: 30 to 40 years 45 to 50 years 60 to 65 years 70 years None 27. What followings is the egg is not fertilized? menstruation Pregnancy Implantation All A,B and C None 28. This hormone would be at an increased level in a mother who is breast feeding: Thyroxine Prolactin Aldoserone insulin None 29. During female fertile years, about how many oocytes develop into mature eggs? 20,000 250,000 300,000 450 None 30. The male reproductive organ is the: Penis Testis Ovary All None 31. The penis becomes erect because: Spongy tissues inside it fills with blood There is a hinge joint between the pelvic bone and penile bone It fills with urine or sperm None of the above None 32. Sterilisation in males is called as: Tubectomy Vasectomy JVF GIFT None 33. Pollen tube contains: One male nucleus Two male nuclei Three male nuclei For male nuclei None 34. The first time that the monthly bleeding occurs is called: Maturity Menarche Menopause Puberty None 35. The most important part of the plant for continuation of the life of the species is: Stem Root Flower Leaf None 36. Unequal daughter cells are produced by: Fragmentation Sporulation Fission Budding None 37. The life span of the sperm is: 2 days 1-3 days 1-3 weeks 7 days None 38. Which of the following is a gland of endocrine system? Sweat gland Tear gland Pituitary gland All of the above None 39. One way the endocrine system helps maintain homeostasis is by having: Each gland secret only one hormone Two hormones with opposite effects regulate certain things Only steroid hormones regulate important functions The pituitary gland regulate all the other glands None 40. Puberty usually begins between the ages of: 5 and 8 9 and 15 16 and 19 20 and 25 None 1 out of 8 Thanks For Taking This Quiz - Please See Your Answers/Results Below After Entering Your Name & Email... Name Email Time's up